Bump rstcheck from 6.2.1 to 6.2.4

Bumps [rstcheck](https://github.com/rstcheck/rstcheck) from 6.2.1 to 6.2.4.
- [Changelog](https://github.com/rstcheck/rstcheck/blob/main/CHANGELOG.md)
- [Commits](rstcheck/rstcheck@v6.2.1...v6.2.4)

---
updated-dependencies:
- dependency-name: rstcheck
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

requirements-test.txt

@@ -4,7 +4,7 @@ flake8==7.1.0
 mypy==1.10.1
 PlexAPI==4.15.14
 pylint==3.1.0
-rstcheck==6.2.1
+rstcheck==6.2.4
 types-beautifulsoup4==4.12.0.20240511
 types-html5lib==1.1.11.20240228
 types-protobuf==5.26.0.20240422